Air India — Refund of air tkt cost due to cancellation of air tkt , reasons attributable to Air India

We booked Air India tkts to travel from Bikaner to Bengaluru vida Delhi on 1st January 2022. While we travelled from Bikaner to Delhi sector by Air India but this flight was late and we missed the connecting Air India flight from Delhi to Bangalore. We approached air India reservation /ticketing counter and they informed you cancel the tkts and you will get full refund for Delhi Banglore sector as you are holding full sector Air India tkts . we cancelled the tkt but refund not made till today. our complaint details on Air India Portal are as follows:
Reference Number : WB-DDEL[protected]
Location : Delhi
Feedback Type : Assistance Required
Category : Delay / Cancellations
Sub Category : Delay/Cancellation
Flight Type : DOM
Flight No. : AI807
Date of Travel. : 01/Jan/2022
Air Ticket No. : [protected]